The present invention relates to a composition for generating oxygen, comprising at least one oxygen source selected from chlorates and perchlorates, to an oxygen generator comprising such a composition, and a method for generating oxygen by decomposing such a composition. The present invention further relates to the use of transition metal ortho-phosphate compounds ortho-vanadate compounds and mixed ortho-phosphate-vanadate compounds as multifunctional components in the oxygen generating compositions.

The present disclosure provides an oxygen-generating composition comprising an oxygen source and a mixed-metal oxide of formula: (Fe,Mg)O.

A chemical core for an oxygen generator. The chemical core is capable on ignition of producing oxygen by chemical reaction. A first end of the chemical core has a smaller cross-sectional area than a second end of the chemical core such that the ratio of the cross-sectional area of the second end to the cross-sectional area of the second end is 0.20:1 or more.

A composition for generating oxygen includes at least one oxygen source selected from chlorates and perchlorates. An oxygen generating device includes such a composition. Oxygen is generated by decomposing such a composition. In the context, phyllosilicate compounds are used as multifunctional components in the oxygen generating compositions.

The present disclosure provides an oxygen-generating composition comprising an oxygen source and mixed-metal oxide of formula: (Fe,Mg)O, wherein said mixed-metal oxide is in at least partially crystalline form.

The present disclosure provides an oxygen-generating composition comprising an oxygen source and a mixed-metal oxide of formula: (Li,Fe,Mg)O.

The present invention relates generally in gaseous oxygen propulsion systems with solid-phase chemical oxygen generation for in-space propulsion systems. Chemical oxygen generation is provided by alkali metal chlorates, alkali metal perchlorates or metal peroxides.

The present disclosure provides an oxygen-generating composition comprising an oxygen source and mixed-metal oxide of formula: (Li,Fe,Mg)O, wherein said mixed-metal oxide is in at least partially crystalline form.

An oxygen supply device for an aircraft has a reaction tank for chemical oxygen generation and a pressurized tank filled with oxygen. The oxygen supply device also has an energy converter for converting thermal energy into electrical energy and also a control unit for setting a first amount of oxygen, provided by the reaction tank to a consumer unit, and a second amount of oxygen, provided by the pressurized tank to the consumer unit. The energy converter is designed to convert a thermal energy, generated by the chemical oxygen generation in the reaction tank, into electrical energy and to provide the electrical energy. The control unit is designed to set the second amount of oxygen, provided by the pressurized tank to the consumer unit, by using the electrical energy provided by the energy converter. The invention also relates to a method for supplying a passenger cabin of an aircraft with oxygen.

A chemical oxygen core for a chemical oxygen generator includes at least one layer of an oxygen-generating composition. In some examples, the at least one layer comprises includes a metal powder fuel, a transition metal oxide catalyst, and an oxygen source. In various examples, the at least one layer includes less than approximately 0.1 percent by weight of the transition metal oxide catalyst. In certain examples, a chemical oxygen generator includes a chemical oxygen core and a perforated metal covering surrounding the chemical oxygen core along a length of the chemical oxygen core. In some aspects, the perforated metal covering has an opening ratio of approximately 0 to 100 percent.